(0 20 18)(1 21 4)(2 7 6)(3 17 12 10 9)(5 15 13 11 8)(14 19 16)
ALLOWS (11/8)-SEQUENCE
1: (0 5 11)

(0 8 5 20 18)(1 21 4)(2 7 6)(3 17 12 10 9)(11 15 13)(14 19 16)
2: (3 17 9)

(0 8 5 20 18)(1 21 4)(2 7 6)(3)(9 12 10)(11 15 13)(14 19 16)(17)
3: (1 21 4)

(0 8 5 20 18)(1)(2 7 6)(3)(4)(9 12 10)(11 15 13)(14 19 16)(17)(21)
4: (0 8 18)

(0)(1)(2 7 6)(3)(4)(5 20 18)(8)(9 12 10)(11 15 13)(14 19 16)(17)(21)